1009420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 2173248

約数和(自身を除く): 1163828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1231, 2462, 4924, 6155, 12310, 24620, 50471, 100942, 201884, 252355, 504710, 1009420]

約数ペア:

[(1, 1009420), (2, 504710), (4, 252355), (5, 201884), (10, 100942), (20, 50471), (41, 24620), (82, 12310), (164, 6155), (205, 4924), (410, 2462), (820, 1231)]